Welding helmet



FIG. 1 is a front isometric view of my new design;

FIG. 2 is a rear isometric view of the design of FIG. 1;

FIG. 3 is a front isometric view of the design of FIG. 1 with the neck guard in a detached configuration;

FIG. 4 is a rear isometric view of the design of FIG. 1 with the neck guard in a detached configuration;

FIG. 5 is a front view of the design of FIG. 1;

FIG. 6 is a rear view of the design of FIG. 1;

FIG. 7 is a side view of the design of FIG. 1;

FIG. 8 is another side view of the design of FIG. 1;

FIG. 9 is a top view of the design of FIG. 1; and,

FIG. 10 is a bottom view of the design of FIG. 1.

The broken lines illustrate the environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for a welding helmet, as shown and described. 